#include <stdio.h>
unsigned fibonacci(unsigned n)
{	if(n == 0 || n == 1) return n;
		return fibonacci(n - 1)+fibonacci(n - 2);
}
int main()
{	
	printf("Fibonacci(5)=%d\n",fibonacci(5));  
	printf("Fibonacci(40)=%d\n",fibonacci(40));  ;
	return 0;
}

